Site Requirements and Preparation

Planning and Installation Guide

13 – 23

RJ-48C T1/E1 and T1/E1 Monitor Connectors

NOTE

When connecting the ShoreGear-T1 or ShoreGear-E1 to a legacy PBX, you must

use a crossover cable between the two systems.

DB-9 Maintenance Connector

Pin

Designation

1

RX Ring

2

RX Tip

3

—

4

TX Ring

5

TX Tip

6

—

7

—

8

—

1

Pin

Designation

1

—

2

TX Data

3

RX Data

4

DSR

5

GND

6

DTR

7

CTS

8

RTS

9

—

1

6

9

5